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Sequoia 680 Chesapeake Dnve Redwood City,CA 94063 (650) 364-9680 FAX(650)364 9233 <br /> 404 N Wiget Line Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Aw Analytiea 819 Sinker Avenue,Suite a Sacramento CA 95834 (916) 92t 9600 FAX(916)921 0100 <br /> 0 <br /> _�. '_'�.�����,,mom=��::.=_--— �--=_�=_s:.�_.=:-.,=..mow--- =•��_ =•••;;-_--- —_..�....r�-=-r- ___ - <br /> Gettier Ryan/Geostrategces � Cllenf Pray iD Unocal SS#5886 Sampled 03/25/98 <br /> 6747 Sierra Court Suite J Sample Descrlpf MW-5S Received 03/25/98 - <br /> DubEin, CA 94568 Matrix LlQIlID Extracted 03/27/98 <br /> Analysis Method EPA 8015 Mad Analyzed 03/31/98 9 <br /> Attention-Deanna Harding_ _- :- _Lab Number 9803G82-08 __ __ Re orted 04 08 98 ' <br /> )C Batch Number wGC0327980HBPEXB <br /> Istrument ED GCHP19B <br /> Total Extractable Petroleum Hydrocarbons (TEPH) with Silica Gel Cleanup <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TEPH as Diesel 50 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> n-Pentacosane (C25) 50 150 87 <br /> 0 <br /> ialytes reported as N 0 were not present above the stated limit of detection <br /> EQUOIA ANALYTICAL - ELAP #1210 <br /> Agory <br /> olect Manager Page 21 <br />